Laserfiche WebLink
n <br /> Find Effluent Rafe g and Concentration Nw.' <br /> Nitrate Loading Calculations: <br /> Variable Value units Description <br /> Q 623.2 gallons per day Effluent flow rate from report <br /> Nw 46.50 mg/L-N Effluent stream concentration from report <br /> A 16.00 acres Site area from report <br /> Nb 1.00 mg1L-N Concentration of rain water from report <br /> d 0.15 constant Denitrification factor from report <br /> R .6.57 inches per year Deep percolation of rain water from report <br /> W 0.52 inches per year Uniform waste water loading for site calculation result <br /> Nc 3.84 mg1L-N RESULT Long-term average concentration of percolating effluent <br /> Find Variable <br /> (W) in = (Q) gal x 1 ft3 x 365 day(s) x 1 acre x 12 in x 1 site <br /> day 7.48 aal 1.vear 43.560 if 1 ft (A)acre(s) <br /> 3<3 . aoCao'R�y .1a .G��y <br /> LLn)ner <br /> gallday x(1 cu-ft/7.48 gals)x(365 days/1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ft)x(1 acres) <br /> ore Equation(Nc): d <br /> N,= WN 1yY3 ) �, ! , <br /> W+R <br /> 3.84 mg4--N f(0.52 in/yr x 46.5 mg1L-N x(1-0.15))+(6.57 in/yr x l mg1L-N))/(0.52.in/yr+6.57 Wyr) =oweightedaver <br /> Assumptions: <br /> 1. Totalnitrogen concentration of influent waste stream is 46.5 mg1L-N. If different influent concentrations ex2. Fraction of nitrate-N loss due to denitr�cation in the soil is 15%. If'` <br /> 3. Estimated deep percolation of rainfall is 6.57 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L.-N. <br /> Plate No.: 9 <br /> Nitrate Loading Calculation <br /> Stonem Vineyards Project No.: 0911 <br /> LIVE OAK 1M N.Alpine Rd. Date: July 13,2M <br /> GEO ENVIRONMENTAL INC. LOW,CA 95240 <br />